[systemd-commits] 7 commits - man/systemd-tmpfiles.xml man/tmpfiles.d.xml src/systemctl.c src/tmpfiles.c

Michal Schmidt michich at kemper.freedesktop.org
Thu Dec 15 15:35:56 PST 2011


 man/systemd-tmpfiles.xml |    3 
 man/tmpfiles.d.xml       |   10 +
 src/systemctl.c          |    2 
 src/tmpfiles.c           |  320 +++++++++++++++++++++++++++++------------------
 4 files changed, 212 insertions(+), 123 deletions(-)

New commits:
commit 462d63db0680c2b69d5426ded197342372ebe309
Author: Michal Schmidt <mschmidt at redhat.com>
Date:   Thu Dec 15 23:04:37 2011 +0100

    man: document 'Z' in tmpfiles

diff --git a/man/systemd-tmpfiles.xml b/man/systemd-tmpfiles.xml
index 08d5c73..20e399b 100644
--- a/man/systemd-tmpfiles.xml
+++ b/man/systemd-tmpfiles.xml
@@ -84,7 +84,8 @@
                                 <listitem><para>If this option is passed all
                                 files and directories marked with f,
                                 F, d, D in the configuration files are
-                                created.</para></listitem>
+                                created. Files and directories marked with Z
+                                are relabeled.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
diff --git a/man/tmpfiles.d.xml b/man/tmpfiles.d.xml
index 7f4c45c..580d99c 100644
--- a/man/tmpfiles.d.xml
+++ b/man/tmpfiles.d.xml
@@ -155,6 +155,16 @@ d    /run/user 0755 root root 10d</programlisting>
                                         place of normal path
                                         names.</para></listitem>
                                 </varlistentry>
+
+                                <varlistentry>
+                                        <term><varname>Z</varname></term>
+                                        <listitem><para>Recursively
+                                        relabel security context of a path and
+                                        all its subdirectories (if it is a
+                                        directory). Lines of this type accept
+                                        shell-style globs in place of normal
+                                        path names.</para></listitem>
+                                </varlistentry>
                         </variablelist>
                 </refsect2>
 

commit a8d8878329893d19106053e5008f0075f149aa16
Author: Michal Schmidt <mschmidt at redhat.com>
Date:   Thu Dec 15 23:11:07 2011 +0100

    tmpfiles: add RECURSIVE_RELABEL_PATH ('Z')
    
    Feature requested by Dan Walsh.

diff --git a/src/tmpfiles.c b/src/tmpfiles.c
index d655bc3..18067c4 100644
--- a/src/tmpfiles.c
+++ b/src/tmpfiles.c
@@ -61,7 +61,8 @@ typedef enum ItemType {
         /* These ones take globs */
         IGNORE_PATH = 'x',
         REMOVE_PATH = 'r',
-        RECURSIVE_REMOVE_PATH = 'R'
+        RECURSIVE_REMOVE_PATH = 'R',
+        RECURSIVE_RELABEL_PATH = 'Z'
 } ItemType;
 
 typedef struct Item {
@@ -91,7 +92,7 @@ static const char *arg_prefix = NULL;
 #define MAX_DEPTH 256
 
 static bool needs_glob(ItemType t) {
-        return t == IGNORE_PATH || t == REMOVE_PATH || t == RECURSIVE_REMOVE_PATH;
+        return t == IGNORE_PATH || t == REMOVE_PATH || t == RECURSIVE_REMOVE_PATH || t == RECURSIVE_RELABEL_PATH;
 }
 
 static struct Item* find_glob(Hashmap *h, const char *match) {
@@ -405,6 +406,96 @@ finish:
         return r;
 }
 
+static int recursive_relabel_children(const char *path) {
+        DIR *d;
+        int ret = 0;
+
+        /* This returns the first error we run into, but nevertheless
+         * tries to go on */
+
+        d = opendir(path);
+        if (!d)
+                return errno == ENOENT ? 0 : -errno;
+
+        for (;;) {
+                struct dirent buf, *de;
+                bool is_dir;
+                int r;
+                char *entry_path;
+
+                r = readdir_r(d, &buf, &de);
+                if (r != 0) {
+                        if (ret == 0)
+                                ret = -r;
+                        break;
+                }
+
+                if (!de)
+                        break;
+
+                if (streq(de->d_name, ".") || streq(de->d_name, ".."))
+                        continue;
+
+                if (asprintf(&entry_path, "%s/%s", path, de->d_name) < 0) {
+                        if (ret == 0)
+                                ret = -ENOMEM;
+                        continue;
+                }
+
+                if (de->d_type == DT_UNKNOWN) {
+                        struct stat st;
+
+                        if (lstat(entry_path, &st) < 0) {
+                                if (ret == 0 && errno != ENOENT)
+                                        ret = -errno;
+                                free(entry_path);
+                                continue;
+                        }
+
+                        is_dir = S_ISDIR(st.st_mode);
+
+                } else
+                        is_dir = de->d_type == DT_DIR;
+
+                r = label_fix(entry_path, false);
+                if (r < 0) {
+                        if (ret == 0 && r != -ENOENT)
+                                ret = r;
+                        free(entry_path);
+                        continue;
+                }
+
+                if (is_dir) {
+                        r = recursive_relabel_children(entry_path);
+                        if (r < 0 && ret == 0)
+                                ret = r;
+                }
+
+                free(entry_path);
+        }
+
+        closedir(d);
+
+        return ret;
+}
+
+static int recursive_relabel(Item *i, const char *path) {
+        int r;
+        struct stat st;
+
+        r = label_fix(path, false);
+        if (r < 0)
+                return r;
+
+        if (lstat(path, &st) < 0)
+                return -errno;
+
+        if (S_ISDIR(st.st_mode))
+                r = recursive_relabel_children(path);
+
+        return r;
+}
+
 static int glob_item(Item *i, int (*action)(Item *, const char *)) {
         int r = 0, k;
         glob_t g;
@@ -553,6 +644,12 @@ static int create_item(Item *i) {
                         return r;
 
                 break;
+
+        case RECURSIVE_RELABEL_PATH:
+
+                r = glob_item(i, recursive_relabel);
+                if (r < 0)
+                        return r;
         }
 
         log_debug("%s created successfully.", i->path);
@@ -572,6 +669,7 @@ static int remove_item_instance(Item *i, const char *instance) {
         case CREATE_DIRECTORY:
         case CREATE_FIFO:
         case IGNORE_PATH:
+        case RECURSIVE_RELABEL_PATH:
                 break;
 
         case REMOVE_PATH:
@@ -608,6 +706,7 @@ static int remove_item(Item *i) {
         case CREATE_DIRECTORY:
         case CREATE_FIFO:
         case IGNORE_PATH:
+        case RECURSIVE_RELABEL_PATH:
                 break;
 
         case REMOVE_PATH:
@@ -707,20 +806,21 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
                 r = -EIO;
                 goto finish;
         }
-        i->type = type;
 
-        if (i->type != CREATE_FILE &&
-            i->type != TRUNCATE_FILE &&
-            i->type != CREATE_DIRECTORY &&
-            i->type != TRUNCATE_DIRECTORY &&
-            i->type != CREATE_FIFO &&
-            i->type != IGNORE_PATH &&
-            i->type != REMOVE_PATH &&
-            i->type != RECURSIVE_REMOVE_PATH) {
-                log_error("[%s:%u] Unknown file type '%c'.", fname, line, i->type);
+        if (type != CREATE_FILE &&
+            type != TRUNCATE_FILE &&
+            type != CREATE_DIRECTORY &&
+            type != TRUNCATE_DIRECTORY &&
+            type != CREATE_FIFO &&
+            type != IGNORE_PATH &&
+            type != REMOVE_PATH &&
+            type != RECURSIVE_REMOVE_PATH &&
+            type != RECURSIVE_RELABEL_PATH) {
+                log_error("[%s:%u] Unknown file type '%c'.", fname, line, type);
                 r = -EBADMSG;
                 goto finish;
         }
+        i->type = type;
 
         if (!path_is_absolute(i->path)) {
                 log_error("[%s:%u] Path '%s' not absolute.", fname, line, i->path);

commit 99e68c0b2d6ca9d491036920fcbca4c8d54404a8
Author: Michal Schmidt <mschmidt at redhat.com>
Date:   Thu Dec 15 23:45:26 2011 +0100

    tmpfiles: separate a generic item glob processing function
    
    Item glob processing will be useful for more than just removing.

diff --git a/src/tmpfiles.c b/src/tmpfiles.c
index 9d07a2a..d655bc3 100644
--- a/src/tmpfiles.c
+++ b/src/tmpfiles.c
@@ -405,6 +405,33 @@ finish:
         return r;
 }
 
+static int glob_item(Item *i, int (*action)(Item *, const char *)) {
+        int r = 0, k;
+        glob_t g;
+        char **fn;
+
+        zero(g);
+
+        errno = 0;
+        if ((k = glob(i->path, GLOB_NOSORT|GLOB_BRACE, NULL, &g)) != 0) {
+
+                if (k != GLOB_NOMATCH) {
+                        if (errno != 0)
+                                errno = EIO;
+
+                        log_error("glob(%s) failed: %m", i->path);
+                        return -errno;
+                }
+        }
+
+        STRV_FOREACH(fn, g.gl_pathv)
+                if ((k = action(i, *fn)) < 0)
+                        r = k;
+
+        globfree(&g);
+        return r;
+}
+
 static int item_set_perms(Item *i) {
         if (i->mode_set)
                 if (chmod(i->path, i->mode) < 0) {
@@ -570,6 +597,8 @@ static int remove_item_instance(Item *i, const char *instance) {
 }
 
 static int remove_item(Item *i) {
+        int r = 0;
+
         assert(i);
 
         switch (i->type) {
@@ -583,35 +612,12 @@ static int remove_item(Item *i) {
 
         case REMOVE_PATH:
         case TRUNCATE_DIRECTORY:
-        case RECURSIVE_REMOVE_PATH: {
-                int r = 0, k;
-                glob_t g;
-                char **fn;
-
-                zero(g);
-
-                errno = 0;
-                if ((k = glob(i->path, GLOB_NOSORT|GLOB_BRACE, NULL, &g)) != 0) {
-
-                        if (k != GLOB_NOMATCH) {
-                                if (errno != 0)
-                                        errno = EIO;
-
-                                log_error("glob(%s) failed: %m", i->path);
-                                return -errno;
-                        }
-                }
-
-                STRV_FOREACH(fn, g.gl_pathv)
-                        if ((k = remove_item_instance(i, *fn)) < 0)
-                                r = k;
-
-                globfree(&g);
-                return r;
-        }
+        case RECURSIVE_REMOVE_PATH:
+                r = glob_item(i, remove_item_instance);
+                break;
         }
 
-        return 0;
+        return r;
 }
 
 static int process_item(Item *i) {

commit f05bc3f7f1d85ce4d31fa9c9b2780797ef3953cd
Author: Michal Schmidt <mschmidt at redhat.com>
Date:   Thu Dec 15 23:44:23 2011 +0100

    tmpfiles: use a common function to set owner/group/mode/label

diff --git a/src/tmpfiles.c b/src/tmpfiles.c
index 4308f7f..9d07a2a 100644
--- a/src/tmpfiles.c
+++ b/src/tmpfiles.c
@@ -405,8 +405,27 @@ finish:
         return r;
 }
 
+static int item_set_perms(Item *i) {
+        if (i->mode_set)
+                if (chmod(i->path, i->mode) < 0) {
+                        log_error("chmod(%s) failed: %m", i->path);
+                        return -errno;
+                }
+
+        if (i->uid_set || i->gid_set)
+                if (chown(i->path,
+                          i->uid_set ? i->uid : (uid_t) -1,
+                          i->gid_set ? i->gid : (gid_t) -1) < 0) {
+
+                        log_error("chown(%s) failed: %m", i->path);
+                        return -errno;
+                }
+
+        return label_fix(i->path, false);
+}
+
 static int create_item(Item *i) {
-        int fd = -1, r;
+        int r;
         mode_t u;
         struct stat st;
 
@@ -420,7 +439,8 @@ static int create_item(Item *i) {
                 return 0;
 
         case CREATE_FILE:
-        case TRUNCATE_FILE:
+        case TRUNCATE_FILE: {
+                int fd;
 
                 u = umask(0);
                 fd = open(i->path, O_CREAT|O_NDELAY|O_CLOEXEC|O_WRONLY|O_NOCTTY|O_NOFOLLOW|
@@ -429,39 +449,27 @@ static int create_item(Item *i) {
 
                 if (fd < 0) {
                         log_error("Failed to create file %s: %m", i->path);
-                        r = -errno;
-                        goto finish;
+                        return -errno;
                 }
 
-                if (fstat(fd, &st) < 0) {
+                close_nointr_nofail(fd);
+
+                if (stat(i->path, &st) < 0) {
                         log_error("stat(%s) failed: %m", i->path);
-                        r = -errno;
-                        goto finish;
+                        return -errno;
                 }
 
                 if (!S_ISREG(st.st_mode)) {
                         log_error("%s is not a file.", i->path);
-                        r = -EEXIST;
-                        goto finish;
+                        return -EEXIST;
                 }
 
-                if (i->mode_set)
-                        if (fchmod(fd, i->mode) < 0) {
-                                log_error("chmod(%s) failed: %m", i->path);
-                                r = -errno;
-                                goto finish;
-                        }
-
-                if (i->uid_set || i->gid_set)
-                        if (fchown(fd,
-                                   i->uid_set ? i->uid : (uid_t) -1,
-                                   i->gid_set ? i->gid : (gid_t) -1) < 0) {
-                                log_error("chown(%s) failed: %m", i->path);
-                                r = -errno;
-                                goto finish;
-                        }
+                r = item_set_perms(i);
+                if (r < 0)
+                        return r;
 
                 break;
+        }
 
         case TRUNCATE_DIRECTORY:
         case CREATE_DIRECTORY:
@@ -473,38 +481,22 @@ static int create_item(Item *i) {
 
                 if (r < 0 && errno != EEXIST) {
                         log_error("Failed to create directory %s: %m", i->path);
-                        r = -errno;
-                        goto finish;
+                        return -errno;
                 }
 
                 if (stat(i->path, &st) < 0) {
                         log_error("stat(%s) failed: %m", i->path);
-                        r = -errno;
-                        goto finish;
+                        return -errno;
                 }
 
                 if (!S_ISDIR(st.st_mode)) {
                         log_error("%s is not a directory.", i->path);
-                        r = -EEXIST;
-                        goto finish;
+                        return -EEXIST;
                 }
 
-                if (i->mode_set)
-                        if (chmod(i->path, i->mode) < 0) {
-                                log_error("chmod(%s) failed: %m", i->path);
-                                r = -errno;
-                                goto finish;
-                        }
-
-                if (i->uid_set || i->gid_set)
-                        if (chown(i->path,
-                                  i->uid_set ? i->uid : (uid_t) -1,
-                                  i->gid_set ? i->gid : (gid_t) -1) < 0) {
-
-                                log_error("chown(%s) failed: %m", i->path);
-                                r = -errno;
-                                goto finish;
-                        }
+                r = item_set_perms(i);
+                if (r < 0)
+                        return r;
 
                 break;
 
@@ -516,51 +508,29 @@ static int create_item(Item *i) {
 
                 if (r < 0 && errno != EEXIST) {
                         log_error("Failed to create fifo %s: %m", i->path);
-                        r = -errno;
-                        goto finish;
+                        return -errno;
                 }
 
                 if (stat(i->path, &st) < 0) {
                         log_error("stat(%s) failed: %m", i->path);
-                        r = -errno;
-                        goto finish;
+                        return -errno;
                 }
 
                 if (!S_ISFIFO(st.st_mode)) {
                         log_error("%s is not a fifo.", i->path);
-                        r = -EEXIST;
-                        goto finish;
+                        return -EEXIST;
                 }
 
-                if (i->mode_set)
-                        if (chmod(i->path, i->mode) < 0) {
-                                log_error("chmod(%s) failed: %m", i->path);
-                                r = -errno;
-                                goto finish;
-                        }
-
-                if (i->uid_set || i->gid_set)
-                        if (chown(i->path,
-                                   i->uid_set ? i->uid : (uid_t) -1,
-                                   i->gid_set ? i->gid : (gid_t) -1) < 0) {
-                                log_error("chown(%s) failed: %m", i->path);
-                                r = -errno;
-                                goto finish;
-                        }
+                r = item_set_perms(i);
+                if (r < 0)
+                        return r;
 
                 break;
         }
 
-        if ((r = label_fix(i->path, false)) < 0)
-                goto finish;
-
         log_debug("%s created successfully.", i->path);
 
-finish:
-        if (fd >= 0)
-                close_nointr_nofail(fd);
-
-        return r;
+        return 0;
 }
 
 static int remove_item_instance(Item *i, const char *instance) {

commit a08961233bea3bfad7776e04482d07012216b134
Author: Michal Schmidt <mschmidt at redhat.com>
Date:   Thu Dec 15 21:32:50 2011 +0100

    tmpfiles: rename a couple of functions
    
    remove_item -> remove_item_instance
    remove_item_glob -> remove_item

diff --git a/src/tmpfiles.c b/src/tmpfiles.c
index 6171140..4308f7f 100644
--- a/src/tmpfiles.c
+++ b/src/tmpfiles.c
@@ -563,7 +563,7 @@ finish:
         return r;
 }
 
-static int remove_item(Item *i, const char *instance) {
+static int remove_item_instance(Item *i, const char *instance) {
         int r;
 
         assert(i);
@@ -599,7 +599,7 @@ static int remove_item(Item *i, const char *instance) {
         return 0;
 }
 
-static int remove_item_glob(Item *i) {
+static int remove_item(Item *i) {
         assert(i);
 
         switch (i->type) {
@@ -633,7 +633,7 @@ static int remove_item_glob(Item *i) {
                 }
 
                 STRV_FOREACH(fn, g.gl_pathv)
-                        if ((k = remove_item(i, *fn)) < 0)
+                        if ((k = remove_item_instance(i, *fn)) < 0)
                                 r = k;
 
                 globfree(&g);
@@ -650,7 +650,7 @@ static int process_item(Item *i) {
         assert(i);
 
         r = arg_create ? create_item(i) : 0;
-        q = arg_remove ? remove_item_glob(i) : 0;
+        q = arg_remove ? remove_item(i) : 0;
         p = arg_clean ? clean_item(i) : 0;
 
         if (r < 0)

commit 66ccd0387e528567dff92239e85c962d2f140ef1
Author: Michal Schmidt <mschmidt at redhat.com>
Date:   Thu Dec 15 21:31:14 2011 +0100

    tmpfiles: use an enum instead of plain char for item type
    
    For better safety. gcc can warn about missing values in switch statements.

diff --git a/src/tmpfiles.c b/src/tmpfiles.c
index 21bf44d..6171140 100644
--- a/src/tmpfiles.c
+++ b/src/tmpfiles.c
@@ -50,7 +50,7 @@
  * properly owned directories beneath /tmp, /var/tmp, /run, which are
  * volatile and hence need to be recreated on bootup. */
 
-enum {
+typedef enum ItemType {
         /* These ones take file names */
         CREATE_FILE = 'f',
         TRUNCATE_FILE = 'F',
@@ -62,10 +62,10 @@ enum {
         IGNORE_PATH = 'x',
         REMOVE_PATH = 'r',
         RECURSIVE_REMOVE_PATH = 'R'
-};
+} ItemType;
 
 typedef struct Item {
-        char type;
+        ItemType type;
 
         char *path;
         uid_t uid;
@@ -90,7 +90,7 @@ static const char *arg_prefix = NULL;
 
 #define MAX_DEPTH 256
 
-static bool needs_glob(int t) {
+static bool needs_glob(ItemType t) {
         return t == IGNORE_PATH || t == REMOVE_PATH || t == RECURSIVE_REMOVE_PATH;
 }
 
@@ -701,6 +701,7 @@ static bool item_equal(Item *a, Item *b) {
 static int parse_line(const char *fname, unsigned line, const char *buffer) {
         Item *i, *existing;
         char *mode = NULL, *user = NULL, *group = NULL, *age = NULL;
+        char type;
         Hashmap *h;
         int r;
 
@@ -720,7 +721,7 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
                    "%ms "
                    "%ms "
                    "%ms",
-                   &i->type,
+                   &type,
                    &i->path,
                    &mode,
                    &user,
@@ -730,6 +731,7 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
                 r = -EIO;
                 goto finish;
         }
+        i->type = type;
 
         if (i->type != CREATE_FILE &&
             i->type != TRUNCATE_FILE &&

commit c971700e41e0ac9883ab0744921b79dd396170dc
Author: Michal Schmidt <mschmidt at redhat.com>
Date:   Wed Dec 14 22:23:56 2011 +0100

    systemctl: fix typo in 'is-enabled'
    
    It prevented the action from working without dbus.

diff --git a/src/systemctl.c b/src/systemctl.c
index 298cb4e..2f11d6b 100644
--- a/src/systemctl.c
+++ b/src/systemctl.c
@@ -4998,7 +4998,7 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError
          * enable/disable */
         if (!streq(verbs[i].verb, "enable") &&
             !streq(verbs[i].verb, "disable") &&
-            !streq(verbs[i].verb, "is-enable") &&
+            !streq(verbs[i].verb, "is-enabled") &&
             !streq(verbs[i].verb, "list-unit-files") &&
             !streq(verbs[i].verb, "reenable") &&
             !streq(verbs[i].verb, "preset") &&



More information about the systemd-commits mailing list